hello i'm wolf blitzer. 1:00 p.m. in ottawa, 6:00 p.m. in london, and 9:00 p.m. in moscow. wherever you're watching from around the world thanks for joining us. we start with the latest on the ottawa attacks. police say it was carried out by a lone shooter and that he acted very much by himself but the picture is a lot more complicated. this is by the way the picture of the shooter, michael zehaf-bibeau. cnn has learned that he does have, in fact, connections to other jihadists in canada including one to traveled to syria to fight alongside islamic

fighters. we're learning law enforcement on both sides of the border are on a heightened state of alert and that includes the fbi. the fbi agents are on the watch for possible copycat attacks in the united states. and this, in fact, was the scene at the opening of the house of commons in ottawa this morning. [ applause ] . the applause for kevin vickers, the sergeant at arms, in the parliament. he's credited with stopping the gunman in the halls of parliament. the prime minister of canada stephen harper thanked vickers and also said that canada would move ahead with new laws to strengthen its security. >> our laws and police powers need to be strengthened in the area of surveillance, detention and arrest, need to be much strengthened and i assure you, mr. speaker, that work which is already under way, will be ex pe

dieted. [ applause ] >> let's get the latest now on michael zehaf-bibeau's connections to jihadists in canada and elsewhere including in the united states. our chief national security correspondent jim sciutto joining us. what is the it least? >> this information just in, cnn has learned zehaf-bibeau had known ties to knowns islamic extremists in canada, these includes hazi yousefsi charged in july with traveling to syria to fight with the terrorist group. this information, of course, important because it but tresses the suspicion the shooting yesterday was motivated by islamic extremism. investigators have not determined that conclusive ply but told us that he know bibeau had ties with known extremists in canada. >> are canadian and u.s. officials, i assume they're sharing intelligence not only about this suspected terrorist now dead but others as well,

this cooperation is intense? >> it is no question. what they're doing now is frantically searching his communications. his internet communications, his phone calls, as well as his travel, and this would be both canadian intelligence and u.s. intelligence in cooperation. of course the focus of u.s. intelligence here is to see that was he in contact with extremists here in the u.s.? either known or unknown extremists and during his travel to the u.s., they know he took a number of trips to the u.s., did he meet with any of them? that's the focus of the investigation now. the cooperation between the u.s. and canada tight on intelligence issues. they are both part of the so-called five eyes program which includes the u.s., canada, u.k., as well as australia and new zealand which means they share signals intelligence. cell phone calls, internet communications, et cetera, there would be no closer intelligence relationship than what you have between the u.s. and canada. >> and very quickly, jim, we know yesterday the u.s. strengthened security at the

tomb of the unknowns after the shooting that occurred at the canada national war memorial in ottawa yesterday. what other increased signs shall we say of security precautions are being taken in washington based on what you're hearing? >> a few things. some you see and don't see. one, notification has gone out to alls u.s. military men and women, and it's going to be at the base level, as to whether they decide what extra precautions they take at the base and the unit level. we knew new york police took extra precautions yesterday as they do because they're often -- they're always in a high level of alert but i'll tell you this, wolf, even before these attacks in canada, i was told by u.s. counterterror intelligence officials they were already very vigilant about this kind of lone wolf attacks and, in fact, they saw them as in many ways the most likely attack to take place on u.s. soil. their alert level was very high before these attacks and these attacks in canada so close right across the border would only make that alert all the more

severe. >> yeah. u.s. law enforcement, canadian law enforcement, intelligence, they're going through this guy's background, as thoroughly as they can. all of his e-mail and everything else, to see if it was, in fact, just an inspired operation or coordinated terrorist operation. thanks very much. the ovation that opened the house of commons session in ottawa was followed by a moment of silence for the canadian soldier who was killed, nathan cirillo, the lone victim in the attack. he was murdered while standing guard at the nearby canadian national war memorial. this is a picture of him standing guard there shortly before the shooting. many of the members of the canadian parliament stopped at ottawa's war memorial to pay tribute to cirillo. joining us is our deborah feyerick in ottawa for us. what's the latest on the investigation there? >> well, i want to talk to you about the investigation but first wolf, i want to show you what's going on behind me. it is very difficult to make out because you see a huge crowd there. beyond that crowd there is a row

of nathan cirillo's colleagues. those members of the army reserve unit that he was a part of, they have been standing in attention for some 15 minutes, very quietly there. it's very difficult to make out because they are past the crowd but they have come to pay their respects. this is an army reserve unit if you look it up, it's the primary war fighters. they're in charge of essentially terminating the enemy. all of his troops, his colleagues are here, paying their respects to the fallen comrade. what we can tell you about the investigation is that u.s. a authorities are looking and trying to track down any information about the gunman. they have his passport. it was confiscatconfiscated. all that information was dispersed both the u.s. authorities as well as canadian authorities and they're trying to get a more complete picture of exactly what he was doing. we did speak to one of our cbc colleagues and apparently he may have been staying at a mission not far from this location and

he had been there anywhere between two to four weeks and we have somebody on their way to that mission right now to determine, in fact, whether he was staying there according to our cbc colleague, he said that his behavior was erratic, that he made certain statements about the devil, about demons and so as i said we're tracking that down now. but clearly authorities trying to get a much fuller picture of who this man is and how as jim mentioned he became radicalized or whether this was sort of sudden jihadi syndrome he decided once he couldn't get out of canada in order to fight jihad and join up with the terrorists, whether, in fact, he just staged something here in canada as a way to sort of do his, you know, what was required of him under extremist ideology. so all of that right now under investigation. you can see it is -- it's really solemn, it is really somber here as the members of the nathan

cirillo's of his army reserve unit are here paying their respects, wolf. >> you know, deb, there's increased security in savarious locations in washington and elsewhere in the united states. i assume there's much more security for a possible copycat attack or deliberate terror attack? >> yeah. there's no question about that. and, you know, right today, inside parliament, it is anything but business at usual. we spoke to a number of lawmakers today and they said they're reviewing everything. the kind of security that is here in ottawa. they're reviewing security at government buildings on public transportation, things definitely have changed. everybody is on higher alert and, you know, they understand that this could have been so much worse had it not been for the valiant effort of that man, of the sergeant at arms, who was able to stop the gunman as he entered that very public building and he did earlier give a statement that i want to read to you. he said, quote, i'm very touched by the attention directed at me

following yesterday's events. yesterday during extraordinary circumstances, security personnel demonstrated professionalism and courage. i'm grateful and proud to be a part of this team. and that is really the feeling that you're getting here in canada. there's a sense of unification, solidarity, this was the act of one crazy individual who somehow took it upon himself to carry out this atrocity in the name of jihad, extremist islam. but here we've seen emams wimam have examine to pay their respects. i spoke to one here he said police chiefs reached out to him because there, too, law enforcement understands it is important to engage the imamss in this community because the imamss are the ones that are the eyes and ears of the community and, in fact, it was the call from the eamon that stopped what could have been a serious plot within the last year, so again,

it's ottawa coming to terms with what has happened here and that investigation right now, in full swing as they try to determine who this man was and how he was, in fact, even able to get that rifle that he was holding. wolf? >> lots of questions that need to be answered. lessons learned. deb feyerick in ot ta what thanks very much. while canadian lawmakers returned to work many say their work will never be the same. we're going to talk to one member of the canadian parliament about the impact of the ottawa attack. later u.s. congressman peter king, a member of the house homeland security committee, the intelligence committee, i'm going to ask him what the fbi, the obama administration, what should they be doing right now, what lessons should the u.s. learn from what happened in canada. you're driving along,

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♪ o canada we stand on guard for thee ♪ ♪ o canada >> canadian national anthem as the house of commons reopened this morning lawmakers sang the national anthem. just yesterday a gunman shot and killed a soldier sent the parliament into lockdown for hours. legislatures there now back at work. they are determined to conduct business as usual as much as they possibly can. we're joined by one of those lawmakers, milan is a quebec member of parliament, joining us right now. milan, thanks very much for joining us. tell us your story. yesterday at this time, what, you were waiting for your weekly caucus meeting, all of a sudden you heard shots, pick up the story what happened after that.

>> yeah. as soon as we heard shots, my colleagues and i really dove for the tables for the sides of the room, there were colleagues -- my colleagues had the reaction to make sure the doors were blockaded, that there was barricades, that we were safe and we waited out there until the gunshots were over and a security guard came and got us out of the room. >> how scared were you? >> it was definitely scary. it was very, very emotional moment for everyone that was there. we didn't know what was happening. it was right outside the door from our caucus room in that hallway there. so the shots were getting louder and we didn't know where they were coming from. so a lot of confusion but we were definitely just making sure to be safe, to keep the room safe, secure at that time. >> we know there was an incident

monday when a guy, jihadist, we're told went ahead and used his car and ran over two soldiers, killing one of them. on wednesday we know what happened yesterday. are people there in ottawa where you are, are they bracing for more of this? >> our thoughts are definitely with those soldiers' families and the loved ones. for us to lose two soldiers this week is a huge tragedy and where canadia canadians' minds are this week and we are thanking every single member of our security service as we walk the streets today for their service and just grateful that we have them with us. >> have you seen a major change in security in ottawa today? >> not at all. i'm so proud to live in such a free country where i go about my day feeling completely safe and secure. i said yesterday, you know,

after this happened while we were still in lockdown, i've always felt so safe and secure as a parliamentarian, as a politician in canada, and i wasn't sure whether ha was going to change today. but when i woke up this morning i completely safe walking out of my apartment to parliament hill, seeing people out on the streets and really standing in solidarity and standing together today. i'm really proud to be canadian today. >> one final question, milan. i hope everybody is getting along over there with the new circumstances. did you vote with prime minister stephen harper to support the u.s. led air campaign against isis campaigns in iraq and syria? because as you know, isis says that decision by canada prompted these recent attacks. >> i did not. i believe that we need to be bringing humanitarian aid and we need to work towards peace and so i did vote against no motion.

i don't want to speculate as to what may have driven people to act as to what they did this week. i want to make sure we can take measures to keep canadians secure and this country in an open place, tolerant, diverse place and i think that's what we're going to be doing for the next days, weeks, months years to come to make sure we can strike that balance in a way that's uniquely canadian and positive for the future as well. >> good luck, milan, to you, good luck to all the people in ottawa and canada. the united states, of course, strongly with you every step of the way. appreciate you joining us. as i say, good luck. up next is the united states prepared for copycats. u.s. intelligence and law enforcement officials say they're concerned about that. u.s. congressman peter king standing by live. we'll discuss. three colorado teenage girls are back home after flying overseas allegedly to try to join the isis terror group in syria.

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it will lead us to strengthen our resolve and redouble our efforts to work with our allies around the world and fight against the terrorist organizations who brutalizes those in other countries. >> the canadian prime minister stephen harper speaking out about canada's resolve in following yesterday's shocking attack. joining us now from long island, new york, republican congressman peter king. he's a member of the house homeland security committee and

the intelligence committee. congressman, the prime minister of canada says this was an act of terror. do you have any reason to doubt that? >> no, wolf. the more evidence that comes in made it more and more clear this was an act of islamic terrorism the question would be was he acting on his own, in concert with others or do we have a loose confederation with other islamis islamists. there's no doubt it is an act of islamist terrorism. >> so, but was he simply inspired by what he was reading on the internet or was he actively being coordinated, getting information from various sources out there, whether isis or some other terrorist group? >> wolf, right now we don't know yet. it's very seldom someone is an absolute lone wolf. we use that term a lot but i would say in many of these cases you find that the so-called lone

wolf actually knows other involved in the movement. some may take direction. they may have a loose alliance. it's a combination of being inspired, meeting with others and now i understand just from your own reporting cnn's own reporting, that he has had contact over the last several months with other pro-islamists and reason of the reasons why his passport was taken away. i wouldn't say -- right now, we don't know, but i would doubt he has been acting entirely on his own. he may have carried out those actions on his own but i would say he's been in contact with other jihadists over the last several months and they inspire one another, they probably share ideas with one another, so i would right now if i had to bet, say that's what it's going to turn out to be. again, there could be more to it, there could be less, but at the least he is some sort of islamic jihadist. >> your committee oversees the department of homeland security, the intelligence community, the

intelligence committee that you serve under. what lessons do you think the u.s. should be learning about what happened in ottawa yesterday? >> it shouldi be a wakeup to th american people and media. the intelligence and law enforcement communities have known have dangerous the threat from isis is and the threat not just from isis itself, for those it may inspire or ally themselves with isis. i mean to me, i don't think it's just a coincidence that after canada agreed to join with us in the air strikes and after isis was putting out statements that in the last three days we've seen the two attacks on the canadian military. so we are very concerned about canada and the united states, who could be a so-called lone wolf in this country who's either acting alone or inspired, what actual attacks planned against the u.s. there's 2500 europeans who are in isis who can travel to the

u.s. without getting a visa. there's a number of americans who have gone over who can come back and fight -- come back on their american passportses. that to be concerned about and there could be supporters that we don't know about. i know the canadian prime minister was saying they may have to change their laws. i don't think we have to change our laws in this country. i think we have to put aside a lot of political correctness because we can have all the technology in the world and that's important, and that's been hurt by the snowden disclosures, made it harder for us to intercept what's happening overseas and when terrorist overseas could be making contacts in this country hard to follow because they changed their methods but we have to see increased surveillance similar to what nypd was doing in the muslim community so we'll have a head start as to who might be a lone wolf or what groups could be working together. again, you can look on the

internet to see what they're saying but they've learned not always to go on the internet. that's why it's important, like in the boston massacre, if the boston police had been told what the fbi knew, they may have been able to stop the boston marathon bombing because they would have known what was going on in the mosque where the brother was preaching jihad. >> only a few seconds. do you have confidence that president obama and his administration are doing the right things right now on this specific counterterror issue? >> yeah. i would have confidence in the cia, the fbi, and the department of homeland security that they, left to their own device, will get this done. we can't let political correctness interfere. they will do all they can do. >> peter king, a member of the house intelligence committee, the homeland committee, thanks for joining us. >> thank you. >> ottawa, the day after. lawmakers are back at work but the shooting rampage certainly has shaken the country to its

core as condition da lost some of its innocence. we will speak to a canadian reporter on the scene. the attack in canada's capital rattling nerves on both sides of the border. we will find out what u.s. border patrol agents are doing to tighten security on the american side of the border with canada. two medium cappuccinos! let's show 'em what a breakfast with whole grain fiber can do. [ barista ] i have two cappuccinos, a medium macchiato, and two espressos -- one with a double shot. that's not the coffee talkin'. [ female announcer ] start your day with kellogg's frosted mini wheats cereal. it's a delicious way to get the nutrition you want. and our big idaho potato truck is still missing. so my buddy here is going to help me find it. here we go. woo who, woah, woah, woah.

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my sister in niagara falls is taking it really bad. she's really taking it bad.

and she's trying to get ahold of nathan's father in costa rica and i'm waiting to see if he will call me because she doesn't -- she says she probably won't be a able to tell nathan's father what just happened. so she says, she was going to tell him to call me and for me to talk to him. >> the canadian soldier killed in the shootings, nathan cirillo being remembered by his family, indeed by the entire nation of canada, which is mourning. canada's prime minister stephen harper and his wife gathered at canada's national war memorial this morning where the gunman began his attack. he then continued his attack at the parliament building not that far away. the prime minister speaking to lawmakers today said canadians will not be intimidated. >> we will be vigilant but we will not run scared. we will be prudent but we will

not panic. and as for the business of government, here we are, in our seats, in our chamber, in the very heart of our democracy and our word. >> canadian officials have confirmed this photo it shows the gunman michael zehaf-bibeau, first appeared on an islamic state or isis twitter account that has since been shut down. let's bring in bill curry, the parliamentary reporter for "the globe" joining us from ottawa now. you were there, bill, we spoke as these events were unfolding yesterday. on this day after, how are canadians reacting? >> certainly i've been on parliament hill so the reaction there has been kind of exhaustion. you're seeing people with bags under their eyes, blood shot, really exhausted and stressed out from the last events and behind us in terms of the --

just lost the feed here. but in terms of the reaction behinds us seeing canadians come out and laying wreaths, showing their support to the armed forces here in ottawa. >> i'm going to fix your audio over there, bill. stand by. we'll get back to you in just a moment. we'll take a quick break. much more of our conversation with the globe and mail parliamentary reporter and ask him about what one columnist wrote today in canada saying that canada has just lost her n innocen innocence. much more after this. and even piano tuners were just as simple? thanks to angie's list, now it is. we've made hiring anyone from a handyman to a dog walker as simple as a few clicks. buy their services directly at angieslist.com no more calling around. no more hassles. start shopping from a list of top-rated providers today. angie's list is revolutionizing local service again.

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canadian columnist wrote and i'm quoting, canada has lost her innocence. the paper saying this is a potential turning point for canada. bring back bill curry the

parliamentary reporter for "the globe and mail." that is a fair analysis would you say? this is a game changer for canada? >> well certainly i think we'll have to see first in terms of when we know more about the shooter because we have had violent shootings in the past and the recent past, just in june, there was a shooter down the streets of new brunswick targeting police officers leaving three dead. so this isn't entirely new to canada, but it's obviously you have the added symbolism of the parliament buildings, the war memorial and the potential connection to terrorist groups, so i think as we learn about those kekships and how deep they are will have the impact of how canada views this incident. >> you heard the prime minister, stephen harper, he referred to it as an october ct of terror. was this one guy on his own decides to go ahead and try to kill a cade canadian soldier or

plotted and planned? what are you hearing over there? >> well that's what we're trying to piece together. we're going to have a media briefing with the police officers, the police authorities, later this afternoon that will hopefully answer some of those questions. there are a few links but relatively tenuous about which twitter accounts the people have been following and those connections. at the moment there's not a whole lot of deep information connecting either of these two assailants from this week's incidents to kind of international terror organizations. hopefully we'll get those answers later today. the prime minister in the house didn't have more information to shed on that today. >> do you think this is going to affect the debate? it's been a pretty intense debate in the parliament where you are whether prime minister stephen harper did the right thing and going ahead and joining the u.s. led air campaign against isis targets in syria and iraq.

there's been an intense debate, spoke to one member of parliament this hour, she voted against it. how is this likely toim pact the attitudes there in parliament? >> certainly we saw today when everybody got back into the house of commons, certainly a rare outpouring of affection between the cross party lines, party leaders hugging each other. you don't see that often. but soon enough it's going to go back to the much more divisive debates what should canada's role be, combat role, more on the humanitarian mission. the parties did not agree on that issue in parliament when these were decided in the last few weeks. the prime minister made clear he wants to go further in terms of national security powers and give our spy agency the power to go in and disrupt potential cells or individuals that are up to something that, you know, that might mean having security officials show up at somebody's work and intimidate people. that goes a step beyond what is

currently allowed and that's going to create a whole debate about civil liberties. the justice minister walking around parliament hill with the criminal code under his arm. big changes ahead and going to be sensitive, deeply charged political issues here. >> i suspect it will be. bill curry with "the globe and mail" thanks very much. always good to get your perspective. the united states and canada share a very long border, more than 5500 miles long. in fact, after the shooting spree in ottawa, there's growing concern in the united states about just how secure that border is. and now the u.s. is urging its patrol agents along the border to be on a higher state of alert. there's also growing concern about american military troops stationed in canada. the pentagon saying they can wear their uniforms in public, while canadian troops have been told to stop wearing their uniforms temporarily. our aviation and government regulation correspondent rene marsh is joining us now from

washington. what else are you picking up? >> a dhs official tells me right now, officer at land air and seaboarders remain on increased alert, paying close attention to people arriving at the border. because they are still learning about the facts in this case and the details are still evolving we are not hearing that the officers are looking for anything or anyone in particular. i am told, though, that they are looking for anything that is suspicious. no visible signs of the heightened alert at the borders at this time, but then their language is increased alert. the u.s./canadian border is a little more than an hour drive from where the shots were fired yesterday. so this is what's happening. again, i am told that at this point, there is no threat to the united states as far as what they know and what they're hearing. still, though, officers on the border, the word from dhs,

they're on alert. wolf? >> a report as you know from canada's ministry of public safety, says dozens, dozens of canadians are traveled abroad for what are described as terror-related activities, some of them, in fact, have returned back to canada. how concerned should u.s. officials be and you're talking to them, that some of these guys might be willing to tries to cross the border into the united states which usually isn't very complicated and there is a long border between the u.s. and canada? auto when you talk to officials, dhs officials current and ps past, they will tell you that, of course, there is the concern that these individuals could cross between that border. lots of people cross this border on a daily basis. but when you look at -- you're looking at that map there, you look at the southern border, northern border there, when you talk about the presence of law enforcement at the border, you see a lot more at the southern

border and when you talk to former officials, they say the people at the southern border are more focused on immigration issues. the cartels. northern border not so much. the question has become, if we've seen what happened here just yesterday, why not increase the man power on the northern border and as one former official told me, of course there is the concern but in a time where you have limited budgets, that would mean having to double the man power at the northern border. just not the money to do that. let's not forget canada is an ally of the u.s. so they're good at sharing information when it comes to these issues, wolf. that's why we're not seeing the same presence. are they concerned? of course. they say they're watching who's coming and going as it relates to the u.s./canadian border, wolf. >> important issues on the agenda right there. renee, thanks very much. coming up three colorado teenage girls, they are now back in colorado.

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sergeant at arms at the canadian parliament. there's a picture that has been released by isis -- by the isis twitter account that has been shut down of michael zehaf-bibeau. his mother just released a statement. susan bibeau released a statement to the associated press. let me read part of it to you our viewers. quote, i don't understand and part of me wants to hate him at this time. i am mad at our son. she goes on to say this, no words can express the sadness we are feeling at this time. we are so sad that a man lost his life. referring to the sergeant. he has lost everything and leaves behind a family that must feel nothing but pain and sorrow. we send our deepest condolences to them. although words seem useless, we are both crying for them, referring to her and her husband. we also wish to apologize for all the pain, she writes, all the fright, the chaos he created. we have no explanation to offer.

that statement just released certainly not your typical r runaway teenage story. three colorado girls are back in the united states after apparently running away from home flying to germany on an alleged bid for get connected with the isis terror group and syria and now we're learning more about how they were caught. here's cnn's justice reporter evan perez. >> reporter: they played hooky from school. two stole $2,000 from their parents but instead of spending the day at the mall as many teens would do, these girls grabbed their passports and flew to germany. their destination was turkey and eventually syria to join isis. here's what happened according to police reports. last friday two girls, 15 and 17-year-old sisters, told their dad they were sick and stayed home from school. their dad last talked to them around 10:30 in the morning and

they said they were going to the library. across town their 16-year-old friend also skipped school. her dad got a call from the school to find out why she wasn't there. he called his daughter and she said she was only running late for class. the dad called authorities later in the day when they couldn't reach their girls and saw their passports had gone missing. the father of the 15 and 17-year-old sisters also discovered that he was missing $2,000 in cash. the fbi flagged their passports and german authorities detained them at the frankfurt airport and sent them back home over the weekend. the case is causing concern for federal authorities because they think it shows that slick propaganda videos by isis and other terrorist groups are drawing a really young audience. there are no charges expected in this case because of their ages but the fbi already has its hands full with dozens of investigations of americans who either plan to travel or have returned home from syria and iraq. the fbi is now trying to determine who they were in touch with online and who lured them

to travel overseas. wolf? >> evan perez, our justice reporter. a shocking story. thank you very much. the attack in ottawa has the united states, several other nations on a much higher state of alert right now. police say it was carried out by what they describe as a lone shooter but do lone wolf terrorists pose the same kind of threat as organized terror attacks? we'll speak with an expert when we return.

the shooting in ottawa appears to be the latest in a series of terror attacks carried out by lone wolves. men and women who appear to be inspired by terrorist ideology although there's no conclusive evidence yet that he was in fact a lone wolf. they are still investigating days before wednesday's attack another canadian soldier was

killed in a separate incident, hit and run near montreal. canadian authorities say the attacker had been radicalized classified as a potential important threat. that according to canadian authorities. let's bring in a senior fellow with the foundation for the defense of democracies in washington. has this lone wolf phenomenon increased in the last few years or sort of remained steady? >> it's hard to quantify. there's not evidence it had a massive spike. in canada you've had more fatalities now due to lone wolf attacks than you used to have quite obviously. canada isn't used to a lot of fatalities through terrorism. a few incidents but it's been decades since they experienced something like this. but in the united states, you do have lone wolf attacks and you've had fatalities caused by that but also a lot of periods, 1970s and 1980s of people doing similar things. abortion clinic bombings are one

good example. >> we know that lone wolf some people think it's a misnomer. this suspect did have at least some connections with other jihadists in canada. so would that rule out this lone wolf theory? >> when we talk about lone wolves, we talk about execution of the attack and nod radicalization. it's unusual for someone to be self-radicalized. someone usual leads them along although not always. he probably was radicalized by others but would still be a lone wolf attacker. >> what's the main lesson that u.s. law enforcement, counterterrorism authorities need to learn from what happened in canada? >> one thing i admire about the canadian response is it was a measured response. media didn't freak out about this. law enforcement had a measured response. i think that what canadians are going to do from here is going to be very similar to what the u.s. would do. tracking down the network. seeing if other people were involved. similarly, in the united states, i think that one thing that

would have happened differently and that is the first attack that was carried out, the shooting, it was near the parliament building yet the shooter was still able to get into the parliament building. if that were to happen in the united states, he never would have been able to get into the capitol. that's one thing where the u.s. and its current system has an advantage over the canadian response. >> you've done some significant research on why some of these young men are impressed by these terrorist videos, isis has some sophisticated videos out there on the internet. what makes them so vulnerable to this brand of terrorism shall we say? >> i think there's different pathways. that's what most research concludes. on the one hand, there's an ideological pathway where people through sincere religious conviction reach extreme results. some pathways are more angry. some on sense offed adventure. some based on sex like the

colorado school girls that wanted to marry isis fighters. that feeds into notions of what isis fighters were and what kind of society that would be. but in a number of cases, particularly with isis, they tend to focus much more on the young and angry demographic. much more so than al qaeda does. right now we can see how these beheadings and people taking selfies with severed heads is attracting people to the battlefield. i think over the longer term this is going to end up causing real brand damage to isis. but right now we're in the phase where young people are really excited by this. >> thanks very much. one programming note here. tonight is debate night in america for our viewers i'll be moderating a debate here in new hampshire. for viewers in north america make sure to tune in 11:00 p.m. eastern the debate between two u.s. senate candidates, the

balance of hour in the senate at stake. make sure you watch 11:00 p.m. eastern right here on cnn. that's it for me. thanks very much for watching. i'll be back 5:00 p.m. in "the situation room." for our international viewers, christiane amanpour is next. for our viewers in north america, "newsroom" with brooke baldwin starts right now. >> wolf, thank you so much. i'll take it from here. hi, everyone. i'm brooke baldwin. we begin this afternoon with that deadly shooting near canada's parliament. let me just begin with this man who is being haled a hero. these are brand new pictures we have for you today showing the top cop, the sergeant-at-arms, kevin vickers, in the moment after he